Interventional therapy catheter assembly for popliteal-iliofemoral deep venous thrombosis

A deep femoral vein and interventional therapy technology, which is applied in the field of catheter components for interventional therapy of popliteal-iliofemoral deep vein thrombosis, can solve the problems of not being able to contact thrombolytic drugs in the first place, affecting the operation speed, and strengthening the treatment effect, etc., to increase Dissolving effect, good therapeutic effect, effect of shortening operation time

Active Publication Date: 2021-06-18
上海蕊源生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, this solution still has the following deficiencies: First, because the pressure pump is used to inflate and deflate the beaded eccentric balloon, this process involves the need to switch the state of the gas circuit, and the gas circuit switching will take a certain amount of time, which will affect the operation. The second is that due to the closure of the end of the tube head and the closure between the balloon catheter and the common catheter of the double-lumen catheter, this will result in that when the drug is added through the Y-valve interface, it can only leak out from the catheter at the end of the thrombolytic catheter. As a result, the tip end of the double-lumen catheter and the balloon catheter cannot be exposed to thrombolytic drugs immediately, so the treatment effect needs to be strengthened

Method used

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  • Interventional therapy catheter assembly for popliteal-iliofemoral deep venous thrombosis
  • Interventional therapy catheter assembly for popliteal-iliofemoral deep venous thrombosis
  • Interventional therapy catheter assembly for popliteal-iliofemoral deep venous thrombosis

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Experimental program
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Embodiment 1

[0033] see Figure 1 to Figure 5 , the present invention provides a technical solution:

[0034] A catheter assembly for interventional treatment of popliteal-iliac femoral deep vein thrombosis, including a hard catheter 1, a driving part and a thrombus breaking structure, a row of evenly spaced side openings 6 are provided on the tube wall of the catheter 1, and in the initial state The thrombus breaking structure includes a knife edge 9 and is accommodated in the side opening 6. During the treatment of thrombus, the driving part is used to swing the knife edge 9 of the thrombus breaking structure outside the side opening 6 to break the thrombus balloon. In the present invention, the head / head end is defined based on the external operating end as the tail / tail end, and the number of side openings 6 is set according to the situation.

[0035]Specifically, the bolt breaking structure also includes a runner 7 and several cutter bodies 8, which can be set according to the actual...

Embodiment 2

[0049] see Figure 6 to Figure 10 , the present invention provides a kind of technical scheme, is basically the same as embodiment 1, slightly different is:

[0050] The driving part is a rod 23, the wheel 7 has internal gear teeth 14 on the rim opposite to the cutter body 8, and the rod 23 has a helical tooth 25 meshing with each first gear tooth 14 . The first end cover 19 has a rod insertion opening 24, the second end cover 20 has a guide wire opening 21, the head of the rod 23 rides on the horizontal plate 11, and the tail is a threaded handle 16, It penetrates to the outside of the end cover 2 through the rod opening 24 . The rod 23 is sleeved with the rod insertion opening 24 through a bearing 26, and the horizontal plate 11 is also installed with a bearing 26 for the head of the rod 23 to fit.

[0051] Unlike Embodiment 1, the drawing plate 5 drives the knife body 8 and the blade 9 to enter and exit the side opening 6 in a swinging manner. In Embodiment 2, the helica...

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Abstract

The invention provides an interventional therapy catheter assembly for popliteal-iliofemoral deep venous thrombosis. The interventional therapy catheter assembly comprises a hard catheter, a driving part and a thrombus breaking structure; a row of side openings, which are evenly spaced, are formed in the wall of the catheter; in the initial state, the thrombus breaking structure comprises a blade and is contained in the side openings; and, in the thrombus treatment process, the driving part is used for swinging the blade of the thrombus breaking structure out of the side openings to break the thrombus of a thrombus balloon. According to the invention, a knife body can be contained in the side openings through the driving part so as to be repeated; thrombus treatment can be achieved; and the knife body and the blade can (repeatedly) cut the thrombus balloon and cut up a broken thrombus. The driving part adopts a meshing mode, so that the knife body and the blade can enter and exit from the side openings in a swinging mode; furthermore, the knife body can be completely pushed out; the driving force is small and easy; and the blade can rapidly swing.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a catheter assembly for interventional treatment of popliteal-iliac femoral deep vein thrombosis. Background technique [0002] Popliteal-iliofemoral deep venous thrombosis (Popliteal-iliofemoral deep venous thrombosis) is a disease caused by blood coagulation in deep veins to form a thrombus. The main clinical symptom is swelling and pain in the lower extremities, and serious complications include necrosis of the affected extremity and pulmonary embolism. risk, threatening the health and life of the patient. In addition, if the popliteal-iliofemoral deep vein thrombosis is not treated in time, it will cause chronic deep venous insufficiency, cause repeated swelling of the lower limbs, and seriously affect work and life. In the prior art, the main treatments are mainly divided into medical thrombolysis, surgical thrombectomy and interventional therapy. The bleeding risk...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/32A61B17/3205A61B17/22A61B17/00
CPCA61B17/32002A61B17/3205A61B17/22A61B17/00234A61B2017/320024A61B2017/320028A61B2017/22001A61B2017/22038A61B2017/22072A61B2017/22084A61B2017/22094A61B2017/00292A61B17/320725A61B2017/320791A61B17/320783
Inventor 祝恒
Owner 上海蕊源生物科技股份有限公司
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